When you need to get to nuts and fasteners that are located at awkward angles or partially hidden by obstructions, look no further than the STEELMAN PRO 78240 1/2-Inch Drive Universal Swivel Joint Adapter. This handy angle adapting tool fits 1/2-inch drive ratchets, torque wrenches, sockets and other accessories to give you near unrestricted access to fasteners. Made from durable chrome vanadium (Cr-V) steel, this adapter features a rust and corrosion resistant polished chrome finish. The swivel feature allows true 360-degree rotational access fasteners at a range of angles. A spring loaded detent ball on the male end keeps attached extensions or sockets snugly in place during use. A recess on the female end fits similar retaining balls on ratchets and extensions to keep the adapter firmly attached. Backed by a lifetime limited warranty.